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103 Commits

Author SHA1 Message Date
Kyle Havlovitz 107d7f6c5a
Add rpc_listener option to segment config 2017-08-30 11:58:29 -07:00
James Phillips 6a6eadd8c7
Adds open source side of network segments (feature is Enterprise-only). 2017-08-30 11:58:29 -07:00
Frank Schroeder a32eab5923 agent: support go-discover retry-join for wan 2017-08-23 21:23:34 +02:00
Frank Schröder 44e6b8122d acl: consolidate error handling (#3401) 
The error handling of the ACL code relies on the presence of certain
magic error messages. Since the error values are sent via RPC between
older and newer consul agents we cannot just replace the magic values
with typed errors and switch to type checks since this would break
compatibility with older clients.

Therefore, this patch moves all magic ACL error messages into the acl
package and provides default error values and helper functions which
determine the type of error.
 2017-08-23 16:52:48 +02:00
Frank Schroeder d9e2a51887 agent: drop unused code 
This code from http://github.com/hashicorp/consul/pull/3353 is no longer
required.
 2017-08-22 00:02:46 +02:00
James Phillips 738ac55d96
Switches to using a read lock for the agent's RPC dispatcher. 
This prevents RPC calls from getting serialized in this spot.

Fixes #3376
 2017-08-09 18:51:55 -07:00
Frank Schroeder 1d0bbfed9c
agent: move agent/consul/structs to agent/structs 2017-08-09 14:32:12 +02:00
Kyle Havlovitz 8c2e422074 Merge pull request #3369 from hashicorp/metrics-enhancements 
Add support for labels/filters from go-metrics
 2017-08-08 13:55:30 -07:00
Kyle Havlovitz 308d7b785d
Update docs for metrics endpoint 2017-08-08 12:33:30 -07:00
Kyle Havlovitz 975ded2714
Add support for labels/filters from go-metrics 2017-08-08 01:45:10 -07:00
Preetha Appan bff45ee1da
Unify regex used to identify invalid dns characters 2017-08-07 11:11:55 +02:00
Preetha Appan 6bac9355fd
Use sanitized version of node name of server in NS record, and start with "server" rather than "ns" 2017-08-07 11:11:55 +02:00
Preetha Appan c38906daad
Add NS records and A records for each server. Constructs ns host names using the advertise address of the server. 2017-08-07 11:11:54 +02:00
James Phillips 803ed9a245 Adds secure introduction for the ACL replication token. (#3357) 
Adds secure introduction for the ACL replication token, as well as a separate enable config for ACL replication.
 2017-08-03 15:39:31 -07:00
James Phillips c31b56a03e Adds a new /v1/acl/bootstrap API (#3349) 2017-08-02 17:05:18 -07:00
Preetha Appan 28016190e0 Moved handling advertise address to readConfig and out of the agent's constructor, plus unit test fixes 2017-07-27 22:06:31 -05:00
Preetha Appan 398c1e450c Move go-socketaddr template parsing into config package to make it happen before creating a new agent. Also removed redundant parsetemplate calls from agent.go. 2017-07-27 16:17:35 -05:00
James Phillips 6e794ea1b3 Adds support for agent-side ACL token management via API instead of config files. (#3324) 
* Adds token store and removes all runtime use of config for ACL tokens.
* Adds a new API for changing agent tokens on the fly.
 2017-07-26 11:03:43 -07:00
James Phillips cf7b1aaf04 Removes an unnecessary close. 2017-07-24 21:41:18 -07:00
Preetha Appan 213af3650f Removed redundant logging 2017-07-24 21:07:48 -05:00
Preetha Appan c08ff6c8ae Clean up temporary files on write errors, and ignore any temporary service files on load with a warning. This fixes #3207 2017-07-24 12:42:51 -05:00
James Phillips a0867b5d49
Tweaks the error when scripts are disabled. 
This will hopefully help people self-serve if they upgrade without accounting
for this.
 2017-07-19 22:15:04 -07:00
Frank Schroeder 6d0bd1faaf agent: make docker client work on windows 2017-07-19 12:03:59 +02:00
preetapan efae3cccc0 Merge pull request #3296 from hashicorp/ensure_registration_race 
Fix race condition between removing a service and adding a check for …
 2017-07-18 18:36:47 -05:00
Preetha Appan db1d477592 Clean up any watch monitors associated with a failed AddCheck 2017-07-18 16:54:20 -05:00
Preetha Appan 4b8958b35b Removed unit test, added clarifying comment and returned a friendlier error message similar to the one in agent's AddService method 
Fixes #3297
 2017-07-18 16:15:47 -05:00
Kyle Havlovitz 1ffd2ec05b
Add UpgradeVersionTag to autopilot config 2017-07-18 13:35:41 -07:00
Frank Schroeder 8bcbb7b827 agent: stop docker checks on shutdown 2017-07-18 20:59:24 +02:00
Frank Schroeder c8ae94b688 agent: stop and remove docker checks 
Note that there is no test since the correct way to solve (and test)
this is to replace the different maps with a single one or to hide
that functionality behind a separate data structure. This will be
addressed in #3294.

Fixes #3265
 2017-07-18 20:59:24 +02:00
Frank Schroeder b4e5c0647b
agent: replace docker check 
This patch replaces the Docker client which is used
for health checks with a simplified version tailored
for that purpose.

See #3254
See #3257
Fixes #3270
 2017-07-18 20:24:38 +02:00
James Phillips 42472e8bb5 Prevents disabling gossip keyring file from disabling gossip encryption. (#3278) 2017-07-17 12:48:45 -07:00
James Phillips 788dd255a1 Adds new config to make script checks opt-in, updates documentation. (#3284) 2017-07-17 11:20:35 -07:00
James Phillips 8572931afe Cleans up version 8 ACLs in the agent and the docs. (#3248) 
* Moves magic check and service constants into shared structs package.

* Removes the "consul" service from local state.

Since this service is added by the leader, it doesn't really make sense to
also keep it in local state (which requires special ACLs to configure), and
requires a bunch of special cases in the local state logic. This requires
fewer special cases and makes ACL bootstrapping cleaner.

* Makes coordinate update ACL log message a warning, similar to other AE warnings.

* Adds much more detailed examples for bootstrapping ACLs.

This can hopefully replace https://gist.github.com/slackpad/d89ce0e1cc0802c3c4f2d84932fa3234.
 2017-07-13 22:33:47 -07:00
Frank Schroeder 46221d2b56 agent: do not modify agent config after NewAgent 2017-07-07 09:22:34 +02:00
Frank Schroeder 188ea638d5 agent: clone partial consul config 
The agent configuration for the consul server is a partial configuration
which needs to be cloned to avoid data races.

This is a stop-gap measure before moving the configuration into
a separate package.
 2017-07-07 09:22:34 +02:00
Frank Schroeder 24d8bdfb02 agent: fix data race between consul server and local state 2017-07-07 09:22:34 +02:00
Preetha Appan c872a05922 Fix missing formatting directive causing go vet to fail 2017-06-27 16:32:38 -05:00
James Phillips fb640d1ffe
Removes some useless comments. 2017-06-25 10:32:35 -07:00
James Phillips 4b85d33ef1 Fixes watch tracking during reloads and fixes address issue. (#3189) 
This patch fixes watch registration through the config file and a broken log line when the watch registration fails. It also plumbs all the watch loading through a common function and tweaks the
unit test to create the watch before the reload.
 2017-06-24 12:52:41 -07:00
James Phillips 2184136284 Changes host-based node IDs from opt-out to opt-in. (#3187) 2017-06-24 09:36:53 -07:00
Frank Schröder 04b636d1f4 agent: notify systemd after JoinLAN (#2121) 
This patch adds support for notifying systemd via the
NOTIFY_SOCKET by sending 'READY=1' to the socket after
a successful JoinLAN.

Fixes #2121
 2017-06-21 06:43:55 +02:00
Frank Schroeder f8e52c897e agent: fix 'consul leave' shutdown race (#2880) 
When the agent is triggered to shutdown via an external 'consul leave'
command delivered via the HTTP API then the client expects to receive a
response when the agent is down. This creates a race on when to shutdown
the agent itself like the RPC server, the checks and the state and the
external endpoints like DNS and HTTP.

This patch splits the shutdown process into two parts:

 * shutdown the agent
 * shutdown the endpoints (http and dns)

They can be executed multiple times, concurrently and in any order but
should be executed first agent, then endpoints to provide consistent
behavior across all use cases. Both calls have to be executed for a
proper shutdown.

This could be partially hidden in a single function but would introduce
some magic that happens behind the scenes which one has to know of but
isn't obvious.

Fixes #2880
 2017-06-21 05:52:51 +02:00
Frank Schroeder a1dec8a46f agent: make registerEndpoint private 
This is only used for testing.
 2017-06-21 05:42:39 +02:00
Frank Schroeder d3ab99244b agent: make the RPC endpoint overwrite mechanism more transparent 
This patch hides the RPC handler overwrite mechanism from the
rest of the code so that it works in all cases and that there
is no cooperation required from the tested code, i.e. we can
drop a.getEndpoint().
 2017-06-21 05:42:39 +02:00
Frank Schroeder 3e20a2ba81 agent: move structs into consul/structs pkg 
* CheckDefinition
 * ServiceDefinition
 * CheckType
 2017-06-21 05:42:39 +02:00
Frank Schroeder db78252019 agent: move NotifyGroup into the agent pkg 2017-06-21 05:42:39 +02:00
Frank Schroeder e930b55f71 agent: move the SnapshotReplyFn out of the way 
When splitting up the consul package into server and client
the SnapshotReplyFn needs to be in a separate package to avoid
a circular dependency.
 2017-06-21 05:42:39 +02:00
Frank Schroeder b805a79078 agent: use the delegate interface for local state 2017-06-21 05:42:39 +02:00
Frank Schroeder 586b345767 agent: rename clientServer interface to delegate 2017-06-21 05:42:39 +02:00
Frank Schroeder 280611d407
Revert "agent: fix 'consul leave' shutdown race (#2880)" 
This reverts commit 90c83a32b586c7d4add8d8ca0096025ecb886a77.
 2017-06-19 21:34:08 +02:00
Frank Schroeder 226a5d3db4 agent: fix 'consul leave' shutdown race (#2880) 
When the agent is triggered to shutdown via an external 'consul leave'
command delivered via the HTTP API then the client expects to receive a
response when the agent is down. This creates a race on when to shutdown
the agent itself like the RPC server, the checks and the state and the
external endpoints like DNS and HTTP. Ideally, the external endpoints
should be shutdown before the internal state but if the goal is to
respond reliably that the agent is down then this is not possible.

This patch splits the agent shutdown into two parts implemented in a
single method to keep it simple and unambiguos for the caller. The first
stage shuts down the internal state, checks, RPC server, ...
synchronously and then triggers the shutdown of the external endpoints
asychronously. This way the caller is guaranteed that the internal state
services are down when Shutdown returns and there remains enough time to
send a response.

Fixes #2880
 2017-06-19 21:24:26 +02:00
Kyle Havlovitz 5e45aec642 Add an option to disable keyring file (#3145) 
Also disables keyring file in dev mode.
 2017-06-15 15:24:04 -07:00
Frank Schroeder cd837b0b18 pkg refactor 
command/agent/*                  -> agent/*
    command/consul/*                 -> agent/consul/*
    command/agent/command{,_test}.go -> command/agent{,_test}.go
    command/base/command.go          -> command/base.go
    command/base/*                   -> command/*
    commands.go                      -> command/commands.go

The script which did the refactor is:

(
	cd $GOPATH/src/github.com/hashicorp/consul
	git mv command/agent/command.go command/agent.go
	git mv command/agent/command_test.go command/agent_test.go
	git mv command/agent/flag_slice_value{,_test}.go command/
	git mv command/agent .
	git mv command/base/command.go command/base.go
	git mv command/base/config_util{,_test}.go command/
	git mv commands.go command/
	git mv consul agent
	rmdir command/base/

	gsed -i -e 's|package agent|package command|' command/agent{,_test}.go
	gsed -i -e 's|package agent|package command|' command/flag_slice_value{,_test}.go
	gsed -i -e 's|package base|package command|' command/base.go command/config_util{,_test}.go
	gsed -i -e 's|package main|package command|' command/commands.go

	gsed -i -e 's|base.Command|BaseCommand|' command/commands.go
	gsed -i -e 's|agent.Command|AgentCommand|' command/commands.go
	gsed -i -e 's|\tCommand:|\tBaseCommand:|' command/commands.go
	gsed -i -e 's|base\.||' command/commands.go
	gsed -i -e 's|command\.||' command/commands.go

	gsed -i -e 's|command|c|' main.go
	gsed -i -e 's|range Commands|range command.Commands|' main.go
	gsed -i -e 's|Commands: Commands|Commands: command.Commands|' main.go

	gsed -i -e 's|base\.BoolValue|BoolValue|' command/operator_autopilot_set.go
	gsed -i -e 's|base\.DurationValue|DurationValue|' command/operator_autopilot_set.go
	gsed -i -e 's|base\.StringValue|StringValue|' command/operator_autopilot_set.go
	gsed -i -e 's|base\.UintValue|UintValue|' command/operator_autopilot_set.go

	gsed -i -e 's|\bCommand\b|BaseCommand|' command/base.go
	gsed -i -e 's|BaseCommand Options|Command Options|' command/base.go
	gsed -i -e 's|base.Command|BaseCommand|' command/*.go
	gsed -i -e 's|c\.Command|c.BaseCommand|g' command/*.go
	gsed -i -e 's|\tCommand:|\tBaseCommand:|' command/*_test.go
	gsed -i -e 's|base\.||' command/*_test.go

	gsed -i -e 's|\bCommand\b|AgentCommand|' command/agent{,_test}.go
	gsed -i -e 's|cmd.AgentCommand|cmd.BaseCommand|' command/agent.go

	gsed -i -e 's|cli.AgentCommand = new(Command)|cli.Command = new(AgentCommand)|' command/agent_test.go
	gsed -i -e 's|exec.AgentCommand|exec.Command|' command/agent_test.go
	gsed -i -e 's|exec.BaseCommand|exec.Command|' command/agent_test.go
	gsed -i -e 's|NewTestAgent|agent.NewTestAgent|' command/agent_test.go
	gsed -i -e 's|= TestConfig|= agent.TestConfig|' command/agent_test.go
	gsed -i -e 's|: RetryJoin|: agent.RetryJoin|' command/agent_test.go

	gsed -i -e 's|\.\./\.\./|../|' command/config_util_test.go

	gsed -i -e 's|\bverifyUniqueListeners|VerifyUniqueListeners|' agent/config{,_test}.go command/agent.go
	gsed -i -e 's|\bserfLANKeyring\b|SerfLANKeyring|g' agent/{agent,keyring,testagent}.go command/agent.go
	gsed -i -e 's|\bserfWANKeyring\b|SerfWANKeyring|g' agent/{agent,keyring,testagent}.go command/agent.go
	gsed -i -e 's|\bNewAgent\b|agent.New|g' command/agent{,_test}.go
	gsed -i -e 's|\bNewAgent|New|' agent/{acl_test,agent,testagent}.go

	gsed -i -e 's|\bAgent\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bBool\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bDefaultConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bDevConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bMergeConfig\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bReadConfigPaths\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bParseMetaPair\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bSerfLANKeyring\b|agent.&|g' command/agent{,_test}.go
	gsed -i -e 's|\bSerfWANKeyring\b|agent.&|g' command/agent{,_test}.go

	gsed -i -e 's|circonus\.agent|circonus|g' command/agent{,_test}.go
	gsed -i -e 's|logger\.agent|logger|g' command/agent{,_test}.go
	gsed -i -e 's|metrics\.agent|metrics|g' command/agent{,_test}.go
	gsed -i -e 's|// agent.Agent|// agent|' command/agent{,_test}.go
	gsed -i -e 's|a\.agent\.Config|a.Config|' command/agent{,_test}.go

	gsed -i -e 's|agent\.AppendSliceValue|AppendSliceValue|' command/{configtest,validate}.go

	gsed -i -e 's|consul/consul|agent/consul|' GNUmakefile

	gsed -i -e 's|\.\./test|../../test|' agent/consul/server_test.go

	# fix imports
	f=$(grep -rl 'github.com/hashicorp/consul/command/agent' * | grep '\.go')
	gsed -i -e 's|github.com/hashicorp/consul/command/agent|github.com/hashicorp/consul/agent|' $f
	goimports -w $f

	f=$(grep -rl 'github.com/hashicorp/consul/consul' * | grep '\.go')
	gsed -i -e 's|github.com/hashicorp/consul/consul|github.com/hashicorp/consul/agent/consul|' $f
	goimports -w $f

	goimports -w command/*.go main.go
)
 2017-06-10 18:52:45 +02:00
Renamed from command/agent/agent.go (Browse further)